<template>
  <div :style="!$route.meta.hiddenHeaderContent ? 'margin: -24px -24px 0px;' : null">
    <!-- pageHeader , route meta :true on hide -->
    <page-header :breadcrumb="breadcrumb" v-if="!$route.meta.hiddenHeaderContent" :title="pageTitle" :logo="logo" :avatar="avatar">
      <slot slot="action" name="action"></slot>
      <slot slot="content" name="headerContent"></slot>
      <div slot="content" v-if="!this.$slots.headerContent && description">
        <p style="font-size: 14px;color: rgba(0,0,0,.65)">{{ description }}</p>
        <div class="link">
          <template v-for="(link, index) in linkList">
            <a :key="index" :href="link.href">
              <a-icon :type="link.icon" />
              <span>{{ link.title }}</span>
            </a>
          </template>
        </div>
      </div>
      <slot slot="extra" name="extra">
        <div class="extra-img">
          <img v-if="typeof extraImage !== 'undefined'" :src="extraImage"/>
        </div>
      </slot>
      <div slot="pageMenu">
        <div class="page-menu-search" v-if="search">
          <a-input-search
                  style="width: 80%; max-width: 522px;"
                  placeholder="请输入..."
                  size="large"
                  enterButton="搜索"
          />
        </div>
        <div class="page-menu-tabs" v-if="tabs && tabs.items">
          <!-- @change="callback" :activeKey="activeKey" -->
          <a-tabs :tabBarStyle="{margin: 0}" :activeKey="tabs.active()" @change="tabs.callback">
            <a-tab-pane v-for="item in tabs.items" :tab="item.title" :key="item.key"></a-tab-pane>
          </a-tabs>
        </div>
      </div>
    </page-header>
    <div class="content">
      <div class="page-header-index-wide">
        <slot>
          <!-- keep-alive  -->
          <keep-alive v-if="multiTab">
            <router-view ref="content" />
          </keep-alive>
          <router-view v-else ref="content" />
        </slot>
      </div>
    </div>
  </div>
</template>

<script>
    import { mapState } from 'vuex'
    import PageHeader from '@/components/PageHeader'

    export default {
        name: 'PageView',
        components: {
            PageHeader
        },
        props: {
            avatar: {
                type: String,
                default: null
            },
            title: {
                type: [String, Boolean],
                default: true
            },
            logo: {
                type: String,
                default: null
            },
            directTabs: {
                type: Object,
                default: null
            },
            breadcrumb: {
                type: [Array, Boolean],
                default: false,
                required: false
            }
        },
        data () {
            return {
                pageTitle: null,
                description: null,
                linkList: [],
                extraImage: '',
                search: false,
                tabs: {}
            }
        },
        computed: {
            ...mapState({
                multiTab: state => state.app.multiTab
            })
        },
        mounted () {
            this.tabs = this.directTabs
            this.getPageMeta()
        },
        updated () {
            this.getPageMeta()
        },
        methods: {
            getPageMeta () {
                // eslint-disable-next-line
                this.pageTitle = (typeof(this.title) === 'string' || !this.title) ? this.title : this.$route.meta.title

                const content = this.$refs.content
                if (content) {
                    if (content.pageMeta) {
                        Object.assign(this, content.pageMeta)
                    } else {
                        this.description = content.description
                        this.linkList = content.linkList
                        this.extraImage = content.extraImage
                        this.search = content.search === true
                        this.tabs = content.tabs
                    }
                }
            }
        }
    }
</script>

<style lang="less" scoped>
  .content {
    margin: 24px 24px 0;
    .link {
      margin-top: 16px;
      &:not(:empty) {
        margin-bottom: 16px;
      }
      a {
        margin-right: 32px;
        height: 24px;
        line-height: 24px;
        display: inline-block;
        i {
          font-size: 24px;
          margin-right: 8px;
          vertical-align: middle;
        }
        span {
          height: 24px;
          line-height: 24px;
          display: inline-block;
          vertical-align: middle;
        }
      }
    }
  }
  .page-menu-search {
    text-align: center;
    margin-bottom: 16px;
  }
  .page-menu-tabs {
    margin-top: 48px;
  }

  .extra-img {
    margin-top: -60px;
    text-align: center;
    width: 195px;

    img {
      width: 100%;
    }
  }

  .mobile {
    .extra-img{
      margin-top: 0;
      text-align: center;
      width: 96px;

      img{
        width: 100%;
      }
    }
  }
</style>
